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423102100 = 225261139499
BaseRepresentation
bin11001001110000…
…000011010010100
31002111010210222011
4121032000122110
51331303231400
6105552314004
713325210551
oct3116003224
91074123864
10423102100
111a7914963
12b9842904
136986c995
1440299a28
15272288ba
hex19380694

423102100 has 72 divisors (see below), whose sum is σ = 941780000. Its totient is φ = 164937600.

The previous prime is 423102091. The next prime is 423102101. The reversal of 423102100 is 1201324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423102101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 847651 + ... + 848149.

Almost surely, 2423102100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423102100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (470890000).

423102100 is an abundant number, since it is smaller than the sum of its proper divisors (518677900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423102100 is a wasteful number, since it uses less digits than its factorization.

423102100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 423102100 is about 20569.4457873809. The cubic root of 423102100 is about 750.7264664718.

Adding to 423102100 its reverse (1201324), we get a palindrome (424303424).

The spelling of 423102100 in words is "four hundred twenty-three million, one hundred two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 61 100 122 139 244 278 305 499 556 610 695 998 1220 1390 1525 1996 2495 2780 3050 3475 4990 6100 6950 8479 9980 12475 13900 16958 24950 30439 33916 42395 49900 60878 69361 84790 121756 138722 152195 169580 211975 277444 304390 346805 423950 608780 693610 760975 847900 1387220 1521950 1734025 3043900 3468050 4231021 6936100 8462042 16924084 21155105 42310210 84620420 105775525 211551050 423102100